Crossword Puzzle on Leaves, Stomatal Closure and Opening and Transpiration

2. type of mesohpyll on the upper part of leaf
6. pigment that absorbs blue light strongly
8. type of plants that have no abscission
10. a set of cells, which may be parenchyma, collenchyma or sclerenchyma, that surround vascular bundles of a leaf
11. usually consists of a single layer of parenchyma cells
13. triggers the activation of proton pumps
16. the most familiar type of leaf which is large, flat and green.
18. formed by adjacent undamaged cells that swell and become corky and covers the wound left by the fallen leaf to protect the plant from pathogens
19. are tiny openings or pores in plant tissue that allow for gas exchange
21. leaves that have no petiole
24. releases enzymes that weaken the cell walls
25. shoot is still young and small

1. regulates the opening and closing of the stomata depending on the time of day
3. protects shoot apical meristem
4. evaporation of water through the stomata or cuticle and has a cooling effect on the plant as heat is carried away by the evaporating water
5. process in which higher solute concentration inside the central vacuole of the guard cells causes water from the epidermal cells surrounding the guard cells move into the guard cells
7. the process of water movement through a plant and its evaporation from aerial parts
9. the tissues between upper and lower epidermis
12. release water from xylem and load sugar into phloem
14. the expanded, light-harvesting and CO2- absorbing part of a leaf
15. type of mesohyll located on the lower part of leaf
17. if ______ is low,the stomata opensso that photosynthesis can continue
20. joins the lamina to the stem at a node
22. holds the blade out into the light and minimize shading of flowers
23. stomata is below the surface of the leaf,an area where the epidermis is depressed into the leaf with stomata